All Exercises are from the Course Textbook by Professor Martin Braun:
Page 81: 17,18
Pages 136-137: 3,5,6,8,12,13,14,15,16
Page 140: 1,2,6,9
Page 144: 6,17
Page 149-150 3,8,12
Pages 156-157: 1,7
Page 164: 1,2,7
